Tire-stripping machine.



C. W.STEELE. TIRE STRIPPING MACHINE. APPLlCMloN mso ocr. 31.4911.

2 SHEETS-SHEET l.

' @d/rs@ Patented Mar. 12, 1918.

C. W. SEELE.

TIRE STRIPPING MACHINE. APPucATmN FILED oc.va!. e911.

Patented Mar. 12, 1918.

2 SlfEETSv-SHEET 2.

CRLES W. STEELE, F AKRON, OHIO, ASSIGNOR TO THE FIRESTONE TIRE & RUBBER COMPANY, 0F AKRON", OHO, A. CORPQBATION 0F 01H10. i

` Tian-sanrrrmc MACHINE.

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To aZZ 'whom t may concern:

Be 'it known that I, CHARIES W. STEELE a citizen of the United States, vresiding at Akron, in the county of Summit, State of Ohio, have invented certain new and usej ful improvements in Tire-Stripping Ma.-

chines, of which the followingis aspecifi l cation. Y

It has been the purpose 4of this invention ,to improve upon the machine for stripping tires invented by William C. Stevens, Pat-- ent No.1,211,256, January 2, 1917 to which vreference should be made yfor a further understanding of the invention. The par Figure 1 is a front lelevation of the machine embodying the invention of Stevens as set forth above, with my improved tire removing attachment mounted thereon.`

Y Fig. 2 is an' enlarged front elevation of the end of the tire stripping arm.

Fig. 3 is a side elevation.

Fig. i is a detail showing the manner in which the tire stripping member engages the bead of the tire prior to its radial movement, and

Fig. 5 is a detail showing the position cf the tire stripping member in its periphl 'eral movement about the core.

A brief description of the operation of the machine as a whole will make clearer the manner in which my improvement is intended to remove the tire. The machine comprises a base 1 to the upper surface of which is attached two arc-shaped guide rails 3 in which are mounted two arc-shaped slides 4. To the ends of the slides, are attached radial guideways 5 in which are reciprocally mounted shoes 6 carried at the ends of radial arms 7 Means are provided in the machine for moving the arm 7, first radially of the core, which has been clamped in position by suitable mechanism, not shown, and then circumferentially. The ra- Speeieaticn of Letters Patent.` Patented Mar, i2, b.

Application filed October 31, 1917. Sera1No. 199,596.

dial movement is imparted "to the tire-stripping elements by suitable gearing, and the circumferential -movement is imparted by 11. This roller constitutes the tire engaging member and is one of the speciiic im. provements made on the Stevens tire strip-- ping machine. It' is provided with a concave periphery bounded by two circumferen- `tial flanges 12 and 13, the front langeel being slightly lower than the rear ian.,e 13. By reference to Figs. 4 and 5 it w1ll vbe noted that the roller 11 is of a contour such that the concave periphery will surround the bead of the tire 14 and hold it effectively while stretching it radially, without the possibility of injuring the tire. i

On the lower part of the arm 9 there is formed a flattened portion 15 against which bears on a detent for shoe I16 carried on the upper end of a pin 17. The pin 17 is slid# ably mounted in an aperture 18 at the upper end of the arm 7 and in a bracket 19 on'the arrn. A light coil springV 20, sur rounds the pin 17, bein held at one end by the bracket 19 and at t e other by a collar 21 secured to the pin. By means of the spring and rod the arm 9 carrying the rolln ers is normally held in upright position so as to properly engage'the bead of the tire, but is allowed to rock on its pivot pin 8 as the shoe 6 is advanced radially of the core.

The operation of the improved stripping element will be readily understood and it is apparent that by this means the tire may be more eli'ectively grasped and removed without liability of injury.

I claim:

1. A device for removing tires from cores, comprising a tire removing element, and a roller carried on said element adapted to contact the lowermost edge or bead of the tire.

2. A machine for removing tires from cores, comprising almovably mounted arm,

a roller on ne end of said arm, said roller adapted to contact with the bead of the tire, and means to move said arm to cause said roller to stretch the bead of the tire and force it off the core.

3. A machine for removing tires from cores, comprising a'. movably mounted arm, means at the end of said arm adapted to havin rolling contact With the bead of the tire, in ycombination With 'mechanism to move said arm radially and circumferentially of the vcore to strip the tire therefrom.

4, A machine for removing tires from cores, comprising a movably mounted arm, a roller at the end of said arm, said roller having a concave periphery adapted toreceive the bead of the' tire, in combination With mechanism to move said arm radially and circumferentially of the core to strip the tire therefrom.

5.. A machine for removing tires from cores7 'comprising an arm adapted to move in a plane parallel to the plane of the core, a rocker arm aty the end of said first-mentioned arm, atire contacting member at the end of said arm, and yieldable means adapted to hold said rocker arm in position.-

6. A machine for removing tires from cores comprising a movably mounted arm, a rocker arm pivotally mounted at the end of said lfirst-mentioned arm, a tire contacting member at the end of said rocker arm, mechanism to move said first mentioned arm to strip the tire from the core, and yieldable means adapted to hold said rocker arm in one position but permitting it to move about its pivot while the first mentioned arm is operated to strip the tire from the core.

7. A machine for removing tires-*from cores, comprising a movably mounted arm, a rocker arm pivotally mounted at the end of said first mentioned arm, a tirey contacting member at the end of said rockerI arm, mechanism to move said first mentioned arm tostrip the tire from the core, and a spring held detent adapted to hold said rocker arm' in one position but permitting it to move about its pivot While the first mentioned arm is operated to strip the tire from the core. CHARLES W. STEELE. 

